<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <link rel="stylesheet" href="./css/index.css">
</head>

<body>
    <h2>登录</h2>
    <input type="text" placeholder="请输入用户名">
    <input type="password" placeholder="请输入密码">
    <button class="btn">登录</button>
</body>

</html>